Xiaomi Redmi K20 Pro
₹20,999
(Out of Stock)
|
Samsung Galaxy A51
₹25,999
(Out of Stock)
|
Nothing Phone 4b
₹34,999
|
Add to Compare
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Xiaomi Redmi K20 Pro vs Samsung Galaxy A51
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Comparing the Xiaomi Redmi K20 Pro vs Samsung Galaxy A51 across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.
Here is the summary of the results:
Performance: Xiaomi Redmi K20 Pro scores higher on the Geekbench Multi-Core test with 10,792, while Samsung Galaxy A51 scores 1,196, making Xiaomi Redmi K20 Pro the better performer.
Display: Samsung Galaxy A51 offers a screen size of 6.5 inches, while Xiaomi Redmi K20 Pro offers 6.39 inches, making Samsung Galaxy A51 the larger display of the two. Samsung Galaxy A51 features a Super AMOLED display compared to Xiaomi Redmi K20 Pro's AMOLED, making Samsung Galaxy A51 the better display of the two.
Rear Camera: Both Xiaomi Redmi K20 Pro and Samsung Galaxy A51 feature a 48 MP primary rear camera.
Front Camera: Samsung Galaxy A51 offers a higher front camera resolution with 32 MP, while Xiaomi Redmi K20 Pro offers 20 MP, making Samsung Galaxy A51 better for front camera photography.
Battery: Samsung Galaxy A51 delivers longer battery life with 14h 29m, while Xiaomi Redmi K20 Pro delivers 13h 45m, making Samsung Galaxy A51 the better pick for all day usage.
Storage: Both Xiaomi Redmi K20 Pro and Samsung Galaxy A51 offer the same internal storage of 128 GB.
Expert Review: The editorial team rates both Xiaomi Redmi K20 Pro and Samsung Galaxy A51 equally at 8.
User Rating: Xiaomi Redmi K20 Pro receives a higher user rating of 4.5, while Samsung Galaxy A51 has a rating of 4.3.
|
✕
Xiaomi Redmi K20 Pro
₹20,999
(Out of Stock)
|
✕
Samsung Galaxy A51
₹25,999
(Out of Stock)
|
Add to Compare
|
Summary
Release Date
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22 Jul, 2019
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29 Jan, 2020
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14 Jul, 2026
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Performance
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Snapdragon 855
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Samsung Exynos 9 Octa 9611
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Snapdragon 6 Gen 4
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Octa Core (upto 2.84 GHz)
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Octa Core (upto 2.3 GHz)
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Octa Core (upto 2.3 GHz)
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6 GB RAM
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6 GB RAM
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8 GB RAM
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Display
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6.39 inches (16.23 cm)
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6.5 inches (16.51 cm)
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6.77 inches (17.2 cm)
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AMOLED
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Super AMOLED
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Super AMOLED
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1080x2340 px (FHD+)
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1080x2400 px (FHD+)
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1080x2344 px (FHD+)
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60 Hz Refresh Rate
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60 Hz Refresh Rate
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120 Hz Refresh Rate
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Rear Camera
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48 MP
Wide Angle Primary Camera
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48 MP
Primary Camera
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50 MP
Primary Camera
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13 MP
Ultra-Wide Angle Camera
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12 MP
Ultra-Wide Angle Camera
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8 MP
Ultra-Wide Angle Camera
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8 MP
Telephoto Camera (upto 2x Optical Zoom)
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5 MP
Macro Camera
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N/A
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N/A
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5 MP
Depth Camera
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N/A
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Front Camera
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20 MP
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32 MP
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16 MP
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Battery
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4000 mAh
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4000 mAh
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6000 mAh
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Quick Charging
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15W Fast Charging
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33W Fast Charging
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Storage
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128 GB
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128 GB
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128 GB
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UFS 2.1
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UFS 2.0
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UFS 2.2
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Expert Review
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8.0/10
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8.0/10
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N/A
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Pros
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Cons
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User Ratings
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4.5/5
(90,160 ratings)
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4.3/5
(13,353 ratings)
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N/A
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Benchmarks (The higher, the better)
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373,945
AnTuTu Score
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171,285
AnTuTu Score
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N/A
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13h 45m
Battery Life (PC Mark)
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14h 29m
Battery Life (PC Mark)
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N/A
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Compare Prices
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Not Available in any store
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Not Available in any store
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₹34,999
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Video
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There are no videos available for the device.
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User Feedback
General
Launch Date
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Jul 22, 2019
(Official)
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Jan 29, 2020
(Official)
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Jul 07, 2026
(Official)
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Operating System
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Android v9.0 (Pie)
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Android v10 (Q)
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Android v16
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OS Updates
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N/A
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N/A
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3 Year
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Security Updates
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N/A
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N/A
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6 Year
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Custom UI
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MIUI
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Samsung One UI
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Nothing OS
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Performance
Performance Rating
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Good
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Good
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Very Good
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Chipset
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Qualcomm Snapdragon 855
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Samsung Exynos 9 Octa 9611
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Qualcomm Snapdragon 6 Gen 4 SM6650
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Processor
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Octa core
2.84 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485 |
Octa core
2.3 GHz, Quad core, Cortex A73 1.7 GHz, Quad core, Cortex A53 |
Octa core
2.3 GHz, Single core, Cortex A720 2.2 GHz, Tri core, Cortex A720 1.8 GHz, Quad core, Cortex A520 |
Architecture (The higher, the better)
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64 bit
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64 bit
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64 bit
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Fabrication (The lower, the better)
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7 nm
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10 nm
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4 nm
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Graphics (GPU)
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Adreno 640
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Mali-G72 MP3
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Adreno 810
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RAM
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6 GB / 8 GB
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6 GB / 8 GB
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8 GB
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RAM Type
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LPDDR4X
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LPDDR4X
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LPDDR4X
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Performance Test Results
AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.
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373,945
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171,285
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N/A
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Bootup Time (The lower, the better)
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12.0 s
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29.0 s
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N/A
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Gaming Test Results
Battery Drain* (The lower, the better)
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12.0 %
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8.0 %
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N/A
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Heating* (The lower, the better)
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22.4 %
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32.7 %
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N/A
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Display
Display Rating
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Excellent
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Excellent
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Excellent
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Display Type
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AMOLED
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Super AMOLED
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Super AMOLED
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Screen Size
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6.39 inches (16.23 cm)
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6.5 inches (16.51 cm)
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6.77 inches (17.2 cm)
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Resolution
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1080x2340 px (FHD+)
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1080x2400 px (FHD+)
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1080x2344 px (FHD+)
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Peak Brightness
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N/A
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N/A
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2000 nits
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HBM Brightness
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N/A
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N/A
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1200 nits
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Refresh Rate
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60 Hz
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60 Hz
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120 Hz
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Aspect Ratio
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19.5:9
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20:9
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20:9
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Pixel Density
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403 ppi
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405 ppi
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381 ppi
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Screen to Body Ratio (calculated)
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85.9 %
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87.44 %
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87.32 %
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Screen Protection
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Corning Gorilla Glass v5
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Corning Gorilla Glass v3
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Yes
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Bezel-less Display
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Yes
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Yes with punch-hole display
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Yes with punch-hole display
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HDR 10 / HDR+ Support
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Yes
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N/A
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N/A
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Screen to Body Ratio (claimed by the brand)
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91.9 %
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N/A
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N/A
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Design
Height
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156.7 mm
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158.5 mm
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164.4 mm
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Width
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74.3 mm
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73.6 mm
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78.2 mm
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Thickness
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8.8 mm
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7.9 mm
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8.6 mm
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Weight
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191 grams
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172 grams
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210 grams
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Build Material
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Back: Gorilla Glass
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Back: Plastic
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N/A
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Water Resistance
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N/A
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N/A
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Yes Water resistant IP64 (up to 20 minutes in a depth of 0.25 meter)
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Ruggedness
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N/A
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N/A
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Dust proof
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Rear Camera
Rear Camera Rating
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Very Good
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Very Good
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Very Good
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Resolution
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48 MP
Primary Cameraf/1.75 Wide Angle1/2" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size |
48 MP
Primary Camera8x Digital Zoomf/2.026 mm focal length 1/2.25" sensor size S5KGM2 ISO-CELL 0.8µm pixel size |
50 MP
Primary Cameraf/1.81/2.76" sensor size |
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13 MP
f/2.4 Ultra-Wide Angle Camera1/3" sensor size 1.12µm pixel size |
12 MP
f/2.2 Ultra-Wide Angle Camera |
8 MP
f/2.2 Ultra-Wide Angle Camera1/4.0" sensor size |
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8 MP
f/2.4 Telephoto Camera1/4.0" sensor size 1.12µm pixel size |
5 MP
f/2.4 Macro Camera |
N/A
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N/A
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5 MP
f/2.2 Depth Camera |
N/A
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Autofocus
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Yes Phase Detection Autofocus Laser Autofocus
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Yes
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Yes
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OIS
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No
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No
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Yes
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Flash
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Yes Dual LED Flash
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Yes LED Flash
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Yes
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Image Resolution
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8000 x 6000 Pixels
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8000 x 6000 Pixels
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N/A
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Settings
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Exposure compensation ISO control
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Exposure compensation ISO control
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N/A
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Shooting Modes
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Continuous Shooting
High Dynamic Range mode (HDR) |
Continuous Shooting
High Dynamic Range mode (HDR) |
N/A
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Camera Features
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Auto Flash
Face detection Touch to focus |
8 x Digital Zoom
Auto Flash Face detection Touch to focus |
N/A
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Video Recording
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4k @30 fps
Full HD @60 fps HD @120 fps |
4k @30 fps
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4k @30 fps
Full HD @30/60 fps |
Video Recording Features
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N/A
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N/A
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Dual Video Recording
Slow Motion |
Front Camera
Front Camera Rating
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Very Good
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Very Good
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Very Good
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Resolution
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20 MP
f/2.2 Primary Camera1/3.4" sensor size 0.8µm pixel size |
32 MP
f/2.2 Primary Camera1/2.8" sensor size 0.8µm pixel size |
16 MP
f/2.4 Primary Camera |
Camera Type
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Pop-Up
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N/A
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N/A
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Autofocus
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N/A
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No
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N/A
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Flash
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N/A
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No
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Yes Screen flash
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Video Recording
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Full HD @30 fps
HD @30 fps |
Full HD @30 fps
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N/A
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Battery
Battery Rating
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Very Good
|
Very Good
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Very Good
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Capacity
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4000 mAh
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4000 mAh
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6000 mAh
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Battery Type
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Li-Polymer
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Li-ion
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N/A
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TalkTime
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N/A
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Up to 32 Hours(4G)
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N/A
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Quick Charging
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Yes Quick Charging v4.0 58% in 30 minutes
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Yes 15W Fast Charging
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Yes 33W Fast Charging 50% in 80 minutes
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Battery Test Results
Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.
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13h 45m
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14h 29m
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N/A
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Charging Time (20% to 100%) (The lower, the better)
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1h 12m 46s
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1h 35m 31s
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N/A
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Storage
Internal Storage
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128 GB / 256 GB
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128 GB
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128 GB / 256 GB
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Storage Type
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UFS 2.1
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UFS 2.0
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UFS 2.2
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Expandable Storage
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No
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Yes Up to 512 GB
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N/A
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Network & Connectivity
SIM Slot(s)
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Dual SIM
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Dual SIM
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Dual SIM
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SIM Type
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SIM1: Nano SIM2: Nano
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SIM1: Nano SIM2: Nano
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SIM1: Nano SIM2: Nano
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Network Support
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5G Not Supported 4G
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5G Not Supported 4G
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5G 4G
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VoLTE
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Yes
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Yes
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Yes
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SIM 1
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4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26) |
5G Bands: FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78 |
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N/A
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N/A
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4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) |
View More
SIM 2
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4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26) |
5G Bands: FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N41 / N77 / N78 |
|
N/A
|
N/A
|
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) |
View More
SAR Value
|
Head: 1.03 W/kg Body: 0.72 W/kg
|
Head: 0.598 W/kg
|
N/A
|
Wi-Fi
|
Yes Wi-Fi 5 (802.11 a/b/g/n/ac)
|
Yes Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
|
Yes Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) MIMO
|
Wi-Fi Features
|
Wi-Fi Direct Mobile Hotspot
|
Wi-Fi Direct Mobile Hotspot
|
Wi-Fi Direct Mobile Hotspot
|
Bluetooth
|
Yes v5.0
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Yes v5.0
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Yes v6.0
|
GPS
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Yes with A-GPS Glonass
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Yes with A-GPS Glonass
|
Yes with Glonass
|
NFC
|
No
|
Yes
|
Yes
|
Multimedia
Stereo Speakers
|
N/A
|
N/A
|
Yes
|
Audio Jack
|
3.5 mm
|
3.5 mm
|
USB Type-C
|
Audio Features
|
N/A
|
Dolby Atmos
|
N/A
|
Sensors
Fingerprint Sensor
|
Yes
|
Yes
|
Yes
|
Fingerprint Sensor Position
|
On-screen
|
On-screen
|
On-screen
|
Fingerprint Sensor Type
|
Optical
|
Optical
|
Optical
|
Other Sensors
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|
Light sensor Proximity sensor Accelerometer Gyroscope
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|
Compare Prices
|
Not Available in any store
|
Not Available in any store
|
₹34,999
|